πagarwalmath · 4th grade · Common Core MP.1
🚀 Challenge puzzles
Make sense of problems and keep at them (puzzles that need thinking, not a known method)
Name: ______________________Date: ____________
1A farm has chickens and cows: 12 heads and 36 legs in all. How many chickens are there?
Answer: ______________
2A farm has chickens and cows: 12 heads and 32 legs in all. How many cows are there?
Answer: ______________
3A farm has chickens and cows: 7 heads and 22 legs in all. How many cows are there?
Answer: ______________
4The pattern keeps going: 1, 7, 13, 19, … What is number 15 in the pattern?
Answer: ______________
5The pattern keeps going: 12, 16, 20, 24, … What is number 20 in the pattern?
Answer: ______________
6The pattern keeps going: 10, 19, 28, 37, … What is number 20 in the pattern?
Answer: ______________
7The pattern keeps going: 12, 15, 18, 21, … What is number 12 in the pattern?
Answer: ______________
8The pattern keeps going: 4, 8, 12, 16, … What is number 10 in the pattern?
Answer: ______________
9The pattern keeps going: 13, 17, 21, 25, … What is number 20 in the pattern?
Answer: ______________
10The pattern keeps going: 16, 23, 30, 37, … What is number 15 in the pattern?
Answer: ______________
11A farm has chickens and cows: 14 heads and 42 legs in all. How many chickens are there?
Answer: ______________
12A farm has chickens and cows: 10 heads and 32 legs in all. How many chickens are there?
Answer: ______________
Answer key: Challenge puzzles
- 1. 6
- 2. 4
- 3. 4
- 4. 85
- 5. 88
- 6. 181
- 7. 45
- 8. 40
- 9. 89
- 10. 114
- 11. 7
- 12. 4
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/4th-grade/challenge-4